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Home >> Tesla >> 2024 >> Model 3 Performance >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Unit -- Model 3 >> Rear Gearbox and Halfshafts >> Rear Halfshafts - Halfshaft Assembly, Rear, Shaft (LH) - Remove And Replace >> Install

Rear Halfshafts - Halfshaft Assembly, Rear, Shaft (LH) - Remove And Replace: Install

  1. Apply Molykote M-77 Lubricant Paste  to the outboard side of the LH rear halfshaft assembly.
    NOTE: Clean the halfshaft before applying if necessary.
    NOTE: Apply no more than 1 gram to axle only.
    G16605120Courtesy of TESLA, INC.
  2. Install the LH rear halfshaft into the rear drive unit.
    CAUTION: When installing the halfshaft to the drive unit:
    • Take care not to damage or displace the oil seals.
    • Carefully push the halfshaft into the drive unit until there is an audible "click" from the halfshaft stub contacting the pinion shaft.
    • There will be a slight pulling sensation on the halfshaft as the halfshaft circlip locks into place.
    • Pull on the inner halfshaft cup to confirm that the circlip is locked into place. If the halfshaft detaches from the drive unit then reinstall the halfshaft and then test that it is fully seated.
  3. With assistance, swing out the upper section of the knuckle and mate the LH rear halfshaft to the LH rear hub.
  4. Position the LH rear lower fore link onto the knuckle, and then install and hand-tighten the bolt and nut.
    G16605121Courtesy of TESLA, INC.
  5. Position the LH rear toe link onto the knuckle, and then install and hand-tighten the bolt and nut.

    Tip: Recommend assistance when performing this step.

    G16605122Courtesy of TESLA, INC.
  6. Install the LH rear upper fore link to the knuckle and hand-tighten the nut and bolt.
    G16605123Courtesy of TESLA, INC.
  7. Position the LH rear upper aft link onto the knuckle, and then install and hand-tighten the bolt and nut.
    G16605124Courtesy of TESLA, INC.
  8. Install and tighten a new nut that attaches the LH stabilizer bar drop link to the LH rear suspension knuckle.

    55 N.m (40.6 lbs-ft) 

    NOTE: Counter-hold the ball joint with a 5 mm hex wrench.
    NOTE: Mark the nut with a paint pen after installation.

    Tip: Use of the following tool(s) is recommended:

    • 5 mm hex
    • 15 mm combination flex head wrench
    • 15 mm socket
    • Flex head ratchet/flex head torque wrench
    G16605125Courtesy of TESLA, INC.
  9. Install the grommet that attaches the LH rear ABS wheel speed sensor cable to the knuckle.
    G16605126Courtesy of TESLA, INC.
  10. Install the bolt that attaches the LH rear ABS wheel speed sensor to the knuckle.

    5 N.m (3.7 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 10 mm socket
    • Flex head ratchet/flex head torque wrench
    • 4 in extension
    G16605127Courtesy of TESLA, INC.
  11. Install the washer and a new nut that attach the LH halfshaft to the hub assembly.

    300 N.m (221.2 lbs-ft) 

    NOTE: The washers are attached to the nut.

    Tip: Use of the following tool(s) is recommended:

    • Cordless Ratchet/Impact Driver
    • 32 mm deep impact socket
    G16605128Courtesy of TESLA, INC.
  12. Install the hub jack adapter onto the LH rear hub and hand-tighten the lug nuts (x5).
    G16605129Courtesy of TESLA, INC.
  13. Position and raise the underhoist stand to simulate the suspension at ride height.
    G16605130Courtesy of TESLA, INC.
  14. Measure the distance between the bottom of the quarter panel and the center of the rear axle to make sure that the rear suspension is set to ride height. The distance should measure 378 mm.
    G16605131Courtesy of TESLA, INC.
  15. Tighten the bolt and nut that attach the LH rear upper aft link to the knuckle, and then mark the bolt and nut with a paint pen.

    134 N.m (98.8 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 21 mm combination wrench
    • 21 mm socket
    • Flex head ratchet/flex head torque wrench
    G16605132Courtesy of TESLA, INC.
  16. Tighten the bolt and nut that attach the LH rear upper fore link to the knuckle, and then mark the bolt and nut with a paint pen.

    76 N.m (56.0 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 18 mm combination wrench
    • 18 mm socket
    • Flex head ratchet/flex head torque wrench
    G16605133Courtesy of TESLA, INC.
  17. Tighten the bolt and nut that attach the LH rear toe link to the LH rear suspension knuckle. Mark the bolt with a paint pen.

    76 N.m (56.0 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • Cordless 3/8 in Dr Impact
    • 18 mm socket
    • Flex head ratchet/flex head torque wrench
    G16605134Courtesy of TESLA, INC.
  18. Tighten the bolt and nut that attach the LH rear lower fore link to the LH rear suspension knuckle. Mark the bolt with a paint pen.

    76 N.m (56.0 lbs-ft) 

    NOTE: Use of the following tool(s) is recommended:
    • Cordless 3/8 in Dr Impact
    • 18 mm deep socket
    • 3 in extension
    • Flex head ratchet/flex head torque wrench
    G16605135Courtesy of TESLA, INC.
  19. Remove the underhoist stand from underneath the LH rear suspension.
    G16605136Courtesy of TESLA, INC.
  20. Remove the lug nuts (x5) that attach the hub jack adapter, and then remove the hub jack adapter from the vehicle.
    G16605137Courtesy of TESLA, INC.
  21. Install the bolt that attaches the LH rear brake rotor to the LH rear hub.

    5 N.m (3.7 lbs-ft) 

    NOTE: Use of the following tool(s) is recommended:
    • Cordless Ratchet/Impact Driver
    • 10 mm socket
    • 2 in extension
    G16605138Courtesy of TESLA, INC.
  22. Install new bolts (x2) that attach the LH rear caliper to the LH rear knuckle.

    83 N.m (61.2 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • External Torx E18
    • Ratchet/torque wrench
    G16605139Courtesy of TESLA, INC.
  23. Connect the LH rear EPB caliper connector.
    G16605140Courtesy of TESLA, INC.
  24. Remove the spring compressor from the LH rear suspension spring:
    WARNING: Be careful while unloading the spring. Hold the spring horizontally and facing away from you.
    WARNING: Springs in a compressed state are under large amounts of energy. Refer to the Tool Profile for the spring compressor kit prior to performing this step for additional warnings and cautions.
  25. Install the LH rear suspension cover. See REAR UNDERTRAY AND DIFFUSER - LH REAR SUSPENSION COVER - REMOVE AND REPLACE .
  26. Install the rear aero shield panel. See REAR UNDERTRAY AND DIFFUSER - MODEL 3/Y, REAR AERO SHIELD - REMOVE AND REPLACE .
  27. Install the LH rear wheel. See WHEEL ASSEMBLY - REMOVE AND INSTALL .
  28. Tighten the LH rear halfshaft nut.

    300 N.m (221.2 lbs-ft) 

    NOTE: Use of the following tool(s) is recommended:
    • Long Breaker Bar
    • 32 mm deep impact socket
    G16605141Courtesy of TESLA, INC.
  29. Exit the vehicle from "Towing" mode.
  30. Raise the LH front window and close the LH front door.
  31. Lower the vehicle. See RAISE VEHICLE - 2 STANDS .